Run ThisRun This
    Create Your RaceFind EventsContact
    Create
    1. Run This/
    2. Races/
    3. Missouri/
    4. Marathon

    Race calendar

    Marathon Races in Missouri

    25 upcoming Marathon races across Missouri. Run This events are listed first — pick a city below to narrow it down.

    Sort
    Search all races
    Cities in MissouriKansas CitySpringfieldSt. Louis

    25 races

    Sat, Feb 13, 2027

    Heart of the Ozarks Half Marathon

    West Plains, MO

    OutsideMarathon10K

    Sat, Sep 26, 2026

    Golden Harvest Half Marathon & 5k/10k - St. Louis

    St. Louis, MO

    Outside50 m1 mile5K10K

    Sun, Sep 27, 2026

    Golden Harvest Half Marathon & 5k/10k - Kansas City

    Parkville, MO

    Outside50 m1 mile5K10K

    Sun, Sep 27, 2026

    City of Roses Half Marathon & 5K

    Cape Girardeau, MO

    OutsideMarathon5K

    Own a race in Missouri?

    List it on Run This and it shows up right here, where runners are already looking. Run This is any race director's best friend and the most modern platform for your registration. Already listed? Claim it.

    List your race

    Sun, Oct 4, 2026

    Spooky Sprint - Springfield

    Willard, MO

    Outside50 m1 mile5K10K

    Sat, Oct 10, 2026

    DeClue Loops Trail Race

    Wildwood, MO

    Outside8.0 mi16.0 miMarathon32.0 mi

    Sat, Oct 17, 2026

    Garmin Kansas City Marathon

    Kansas City, MO

    OutsideMarathon10K5K

    Sat, Oct 17, 2026

    I-35 Challenge

    Kansas City, MO

    OutsideMarathon

    Sat, Oct 24, 2026

    Spooky Sprint- St. Louis

    St. Louis, MO

    Outside50 m1 mile5K10K

    Sun, Oct 25, 2026

    Spooky Sprint - Kansas City

    Lee's Summit, MO

    Outside50 m1 mile5K10K

    Sat, Oct 31, 2026

    The SKIPPO Trail Race

    Ballwin, MO

    Outside10KMarathon18.6 mi24.9 mi

    Sun, Nov 8, 2026

    MO' Cowbell Marathon/Half-Marathon/10K/5K

    Saint Charles, MO

    OutsideMarathon10K5K

    Sat, Nov 14, 2026

    Yeti Endurance Weekend

    Kansas City, MO

    Outside5K10KMarathon

    Sat, Nov 14, 2026

    Turkey Trails - Springfield

    Springfield, MO

    Outside50 m1 mile5K10K

    Sat, Nov 21, 2026

    Honoring our Heroes Marathon

    Rolla, MO

    OutsideMarathon10K5K

    Sun, Nov 22, 2026

    St. Louis Track Club Marathon Relay

    Saint Louis, MO

    OutsideMarathon

    Sat, Nov 28, 2026

    Turkey Trails - St. Louis

    Maryland Heights, MO

    Outside50 m1 mile5K10K

    Sun, Nov 29, 2026

    Turkey Trails - Kansas City

    Parkville, MO

    Outside50 m1 mile5K10K

    Sat, Dec 12, 2026

    St. Louis Track Club 2026-2027 Frostbite Series

    Saint Louis, MO

    Outside1.9 miMarathon2.0 mi10.0 mi

    Sat, Dec 19, 2026

    OMRR's Run for the Ranch

    Springfield, MO

    OutsideMarathon5K1 mile

    Sat, Feb 20, 2027

    Running From Yeti - Springfield, MO

    Springfield, MO

    Outside5K10KMarathon9.3 mi

    Sat, Apr 3, 2027

    St. Louis Marathon

    St. Louis, MO

    OutsideMarathon10K5K1 mile

    Sat, May 1, 2027

    The Bluffs Trail Runs

    Eminence, MO

    OutsideMarathon9.3 mi10K5K

    Sat, Jun 5, 2027

    Folky Fish Run

    Saint James, MO

    Outside1 mile5K10KMarathon

    Sun, Aug 1, 2027

    2027 Matt Mason "Cowboy UP" Triathlon/Duathlon

    Smithville, MO

    Outside14.4 mi25.6 mi16.0 mi

    Don't lose this one.

    Save any Missouri race to your calendar and we'll remind you when it matters.

    Create your free account

    Your whole running year, in one place.

    Follow your friends, save Missouri races, and keep every start line in one calendar.

    Create your free account

    Marathon races by city in Missouri

    Kansas City3Springfield3St. Louis3